BMW 3-Series (E90 E92) Forum - View Single Post

OLI77 · 02-29-2020, 01:37 PM

Then I guess it is not my AC compressor, the last untested element in my story, because AC on or not, does not change whine.

Surprised it does in your case because the pulley is turning either way.

02-29-2020, 01:37 PM	#9
OLI77 Private First Class 103 Rep 130 Posts Drives: E46 325i ZSP, E93 328i Join Date: Jan 2020 Location: Lexington iTrader: (0)	Then I guess it is not my AC compressor, the last untested element in my story, because AC on or not, does not change whine. Surprised it does in your case because the pulley is turning either way.
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